@article{paperid:1040157,
author = {Mansouri, Hamed and Bannayan Aval, Mohammad and Rezvani Moghaddam, Parviz and Lakzian, Amir},
title = {Management of nitrogen fertilizer, irrigation and plant density in onion production using response surface methodology as optimization approach},
journal = {African Journal of Agricultural Research},
year = {2014},
volume = {9},
number = {7},
month = {February},
issn = {1991-637X},
pages = {676--687},
			numpages = {11},
keywords = {Environment N losses; N uses efficiency (NUE); water use efficiency (WUE).},
}